81496881

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{56951}}^1$

素因数の和:57013

約数の個数: 16

約数和(自身を含む): 123016320

約数和(自身を除く): 41519439

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 56951, 170853, 512559, 1537677, 3018403, 9055209, 27165627, 81496881]

約数ペア:

[(1, 81496881), (3, 27165627), (9, 9055209), (27, 3018403), (53, 1537677), (159, 512559), (477, 170853), (1431, 56951)]